A box of Oaties sold for $2,000 this weekend at auction.
What are Oaties? They're one of the few cereals Jerry Seinfeld used in "Seinfeld" that wasn't real.
While most of the cereal in Jerry's apartment were actual brands — Grape Nuts, Apple Jacks, Cheerios among them — Oaties was created for the show and was featured in the pilot episode, "Seinfeld Chronicles," the first of 180 episodes, in the summer of 1989.
The auction lot didn't include any guarantees this box was the exact box used, which might have dulled the bidding at Hanlin's Auction in Quincy, Illinois.
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Seinfeld's favorite food on the show was cereal, whether he ate it at his apartment or Monk's Cafe.
Earlier this year, a version of the Puffy Shirt, made by Palace Costume Company, which made the one Jerry wore, sold for $25,000 at Prop Store even though it didn't match the on-screen shirt. Kramer's 1957 Chevy Bel Air couch sold for $10,455 at Heritage in 2014.
Darren Rovell is the founder of cllct.com and one of the country's leading reporters on the collectible market. He previously worked for ESPN, CNBC and The Action Network.